- cohort
A cohort table in a cdm reference.
- days
Integer with the number of days to add or name of a column (that
must be numeric) to add.
- cohortDate
'cohort_start_date' or 'cohort_end_date'.
- indexDate
Variable in cohort that contains the index date to add.
- collapse
Whether to collapse the overlapping records (TRUE) or drop
the records that have an ongoing prior record.
- padObservation
Whether to pad observations if they are outside
observation_period (TRUE) or drop the records if they are outside
observation_period (FALSE)
- cohortId
Vector identifying which cohorts to modify
(cohort_definition_id or cohort_name). If NULL, all cohorts will be
used; otherwise, only the specified cohorts will be modified, and the
rest will remain unchanged.
- name
Name of the new cohort table created in the cdm object.
- .softValidation
Whether to perform a soft validation of consistency.
If set to FALSE four additional checks will be performed: 1) a check that
cohort end date is not before cohort start date, 2) a check that there
are no missing values in required columns, 3) a check that cohort duration is
all within observation period, and 4) that there are no overlapping
cohort entries